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Politics : Foreign Affairs Discussion Group -- Ignore unavailable to you. Want to Upgrade?

To: Alan Brezin who wrote (213324)	1/17/2007 3:51:19 PM
From: Maurice Winn	Respond to of 281500

Aluminium is excellent because it's rather dull, so not too dazzling, because it forms a very thin layer of aluminium oxide. It's also very corrosion resistant [in most situation]. It would be nice and cool to the touch, instead of being really hot like rocks or sand in a desert, so people could even walk barefoot over it. It's cool because it reflects light instead of absorbing it like dark surfaces. It's also really cheap and can be made very thin. What's more, it could be used to support photovoltaic cells by the trillion, so the desert could be cool and lots of electricity could be produced and water could be deionized and used to irrigate crops grown between the photovoltaic panels and shaded by them if the light is too intense. Australia is full of bauxite so that would be a convenient desert to cover with aluminium. Mqurice